<!DOCTYPE html>
<script src="../../../resources/js-test.js"></script>
<style>
.a1 span { background-color: green }
.a2 span + div { background-color: green }
.a3 * { background-color: green }
</style>
<div id="t1">
    <span></span>
    <span></span>
    <div></div>
    <div></div>
</div>
<div id="t2">
    <span></span>
    <span></span>
    <div></div>
    <div></div>
</div>
<div id="t3">
    <span></span>
    <span></span>
    <span></span>
    <span></span>
</div>
<script>
description("Check that targeted class invalidation works for type selectors.");

var transparent = "rgba(0, 0, 0, 0)";
var green = "rgb(0, 128, 0)";

var children = [
    document.querySelectorAll("#t1 *"),
    document.querySelectorAll("#t2 *"),
    document.querySelectorAll("#t3 *")
];

document.body.offsetTop; // Force style recalc.

for (var i=0; i<children.length; i++) {
    for (var j=0; j<children[i].length; j++) {
        var evalString = "getComputedStyle(children["+i+"]["+j+"], null).backgroundColor";
        shouldBe(evalString, "transparent");
    }
}

document.body.offsetTop; // Force style recalc.

document.getElementById("t1").className = "a1";
if (window.internals)
    shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2");
shouldBe("getComputedStyle(children[0][0], null).backgroundColor", "green");
shouldBe("getComputedStyle(children[0][1], null).backgroundColor", "green");
shouldBe("getComputedStyle(children[0][2], null).backgroundColor", "transparent");
shouldBe("getComputedStyle(children[0][3], null).backgroundColor", "transparent");

document.body.offsetLeft; // force style recalc.

document.getElementById("t2").className = "a2";
if (window.internals)
    shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2");
shouldBe("getComputedStyle(children[1][0], null).backgroundColor", "transparent");
shouldBe("getComputedStyle(children[1][1], null).backgroundColor", "transparent");
shouldBe("getComputedStyle(children[1][2], null).backgroundColor", "green");
shouldBe("getComputedStyle(children[1][3], null).backgroundColor", "transparent");

document.body.offsetLeft; // force style recalc.

document.getElementById("t3").className = "a3";
if (window.internals)
    shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "5");
shouldBe("getComputedStyle(children[2][0], null).backgroundColor", "green");
shouldBe("getComputedStyle(children[2][1], null).backgroundColor", "green");
shouldBe("getComputedStyle(children[2][2], null).backgroundColor", "green");
shouldBe("getComputedStyle(children[2][3], null).backgroundColor", "green");

</script>
